FIELD: heating equipment.
SUBSTANCE: subject of invention is heat exchanger (10) between first fluid medium and second fluid medium, comprising diaphragm separating two fluid media, and heat-conducting element (17), which enters into thermal contact with diaphragm, on one side, and with first fluid medium, on the other side, characterized in that said heat-conducting element (17) is movable between the active position and inactive position so that the heat exchange capacity with the first fluid medium is lower in the inactive position than in the active position.
EFFECT: invention can be used, in particular, for cooling of fluid medium in a secondary flow path of a multi-circuit turbojet engine.
10 cl, 6 dwg
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